Equations practice problems - page 160 of 236
Number of problems found: 4717
- Bed time
Tiffany was five years old; her weeknight bedtime grew by ¼ hours yearly. If her curfew time at age 18 is 11 p.m., what was her bedtime when she was five years old? - Gardeners 5542
Three gardeners mow the meadow for a while. Four gardeners can do it half an hour earlier. How long will it take five gardeners to do it? - Suzan
Susan's age will be after 12 years, four times as much as twelve years ago. How old is Susan now? - Brought 5527
In the evening, four ants counted the crumbs they had brought. The first ant had 1.5 times more than the second, the second ant twice less than the fourth and the third ant twice more than the second. They had 26 crumbs in total. How many crumbs did the t - Number unknown
Adela thought of the two-digit number. She added it to its ten times and got 407. What number does she think? - Unknown numbers
The sum of two consecutive natural numbers and their triple is 92. Find these numbers. - Theatre performances
A total of 15,744 CZK was collected as admission for three theatre performances. The revenue from the second performance was 20% higher than the revenue from the first performance and the revenue from the third performance was 10% lower than the revenue f
- Substitution
Solve equations by substitution: x+y= 11 y=5x-25 - Ľé sweets
There are 20 sweets in the bag. Some are chocolate, other coconuts, and the remaining marzipan. Chocolate is four times more than coconut. Marzipan's less than chocolate. How much is in a bag of coconut sweets? - Perpendicular sides
In a right triangle, one perpendicular is 1 m shorter than the hypotenuse. The other perpendicular is 2 m shorter than the hypotenuse. Find the lengths of all sides of the triangle. - Soccer ball
How much does a soccer ball cost, and 6/7 of the price is € 12? - Unknown variable Find the number x, which, if it increases by 2, then its square increases by 21 percent.
- Ratio-cuboid
The lengths of the edges of the cuboid are in the ratio 2:3:6. Its body diagonal is 14 cm long. Calculate the volume and surface area of the cuboid. - Equation: 5482
Solve the equation: 0.5 • (3+ x) -0.2 • (0.5x-5) = 0 - Red balls
The bag has three red, 12 blue, and eight green balls. If we want the probability of pulling out the red balls to be 20%, how many red balls must we add to the bag?
- Wagons and cranes
The same cranes are unloading 96 wagons. There would be fewer wagons for each crane if there were two more cranes. How many cranes were there? - Competitors
In the first round of the slalom, 15% of all competitors dropped out, and in the second round, another 10 competitors dropped out. In total, 40% of all competitors dropped out. What was the total number of competitors? - Tournament 5463
A reward of 1200 CZK is prepared for the 4 best champions in the chess tournament. It will be divided so that the second gets half of the first, the third half of the second's reward, and the fourth half of the third. How many CZK will each person receive - Specify 5462
P (x) = 15x- (5x + 10,000) specify x so that P (x) = 0 - Tracksuit 5460
The tracksuit became cheaper by 15% later on sale and later by 10%. How many euros did Janka save if she bought this set after the second discount and paid € 45.9?
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